英文名称    Mixed Solution of Arsenic Species
标准物质证书
样本供参考     
标准物质证书英文
样本供参考    
应用领域    仪器检定/校准用标准物质/仪器检定/校准用标准物质
保存条件    冷藏、避光保存
使用注意事项    在打开和使用过程中应严格防止样品沾污，使用洁净器具取用，打开后应在短时间内一次性使用。本标准物质为砷形态混合物溶液，具有一定毒性，应注意使用安全，避免与人体直接接触，并存放于安全环境内，避免非相关人员接触。
特征形态    液态
基体    
主要分析方法    高效液相-电感耦合等离子体质谱法(HPLC-ICP-MS)#液相色谱-原子荧光联用仪
规格    每支约5mL
定级证书量值信息     
                            
                            

                                    
                                        
                                            
                                                标准值
                                                相对不确定度(%)
                                                单位
                                                CAS
                                                备注
                                        

                                    
                                    

                                        
                                            砷酸根
                                                1.00
                                                5
                                                质量分数(10-6)
                                                
                                                
                                        


                                    
                                    

                                        
                                            一甲基砷
                                                1.03
                                                5
                                                质量分数(10-6)
                                                
                                                
                                        


                                    
                                    

                                        
                                            二甲基砷
                                                1.03
                                                5
                                                质量分数(10-6)
                                                
                                                
                                        


                                    
                                    

                                        
                                            砷甜菜碱
                                                0.995
                                                5
                                                质量分数(10-6)